Coinbase BTC Premium Rate Monitoring
Coinbase is the world's largest USD legal exchange. The BTC/USD trading pair is direct trade with the U.S. dollar, and the BTC/USDT trade with digital currency(USDT). When USD flows into BTC, BTC/USD often has a certain premium to BTC/USDT. On the contrary, when USD flows out of BTC, there is a negative premium. This indicator monitors the premium rate in real time, and broadcasts in time when a certain threshold of premium occurs.